In a bid to cut down on the spread of false information and spam, WhatsApp recently added labels that indicate when a message has been forwarded. Now the company is sharpening that strategy by imposing limits on how many groups a message can be sent on to.

Originally, users could forward messages on to multiple groups, but a new trial will see that forwarding limited to 20 groups worldwide. In India, however, which is WhatsApp's largest market with 200 million users, the limit will be just five. In addition, a 'quick forward' option that allowed users to pass on images and videos to others rapidly is being removed from India.

"We believe that these changes - which we'll continue to evaluate - will help keep WhatsApp the way it was designed to be: a private messaging app," the company said in a blog post.

The changes are designed to help reduce the amount of information that goes viral on the service, although clearly this isn't a move that will end the problem altogether.

The change is in direct response to a series of incidents in India. The BBC recently wrote about an incident which saw one man dead and two others severely beaten after rumors of their efforts to abduct children from a village spread on WhatsApp. Reportedly 17 other people have been killed in the past year under similar circumstances, with police saying false rumors had spread via WhatsApp.

Beyond concern about firing up vigilantes, the saga may also spill into India's upcoming national general election next year. Times Internet today reports that Facebook and WhatsApp plan to introduce a fake news verification system that it used recently in Mexico to help combat spam messages and the spreading of incorrect news and information. The paper said that the companies have already held talks with India's Election Commission.